---
name: "glhanoi"
section: "6"
platform: "linux"
package: "xscreensaver"
version: "6.15-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/glhanoi"
---

# glhanoi(6)

OpenGL Towers of Hanoi

## NAME

glhanoi - OpenGL Towers of Hanoi

## SYNOPSIS

**glhanoi** \[--display *host:display.screen*\] \[--visual *visual*\] \[--window\] \[--root\] \[--window-id *number*\] \[--delay *number*\] \[--count *number*\] \[--poles *number*\] \[--speed *number*\] \[--wireframe\] \[--light\] \[--texture\] \[--fog\] \[--fps\]

## DESCRIPTION

Implementation of Towers of Hanoi in OpenGL

## OPTIONS

- **--visual *visual***

  Specify which visual to use.  Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.

- **--window**

  Draw on a newly-created window.  This is the default.

- **--root**

  Draw on the root window.

- **--window-id *number***

  Draw on the specified window.

- **--delay *number***

  Per-frame delay, in microseconds.  Default: 30000 (0.03 seconds.).

- **--count *number***

  Number of disks.  Default: 7.

- **--poles *number***

  Number of poles.  Default: random from 3 to disks+1.

- **--speed *number***

  Speed multiplier (for smallest disks).  Default: 1.

- **--trails *number***

  Length of disk trails, in seconds.  Default: 2.

- **--wireframe \| --no-wireframe**

  Render in wireframe instead of solid.

- **--fog \| --no-fog**

  Render in fog.

- **--fps**

  Display the current frame rate, CPU load, and polygon count.

- **--light \| -no-light**

  Whether the scene is lit.

- **--texture \| --no-texture**

  Render with textures instead of solid.

## ENVIRONMENT

- **DISPLAY**

  to get the default host and display number.

- **XENVIRONMENT**

  to get the name of a resource file that overrides the global resources stored in the RESOURCE\_MANAGER property.

- **XSCREENSAVER\_WINDOW**

  The window ID to use with *--root*.

## SEE ALSO

**X**(1), [**xscreensaver**(1)](/xscreensaver/1.md)

## COPYRIGHT

Copyright © 2004 by Dave Atkinson.  Permission to use, copy, modify,  distribute, and sell this software and its documentation for any purpose is  hereby granted without fee, provided that the above copyright notice appear  in all copies and that both that copyright notice and this permission notice appear in supporting documentation.  No representations are made about the  suitability of this software for any purpose.  It is provided "as is" without express or implied warranty.

## AUTHOR

Dave Atkinson.